import { defineStore } from 'pinia'
import { constantRoutes } from '@/router'
import { getRouters } from '@/api/menu'
// import Layout from '@/pages/Layout/index.vue'
// import ParentView from '@/pages/ParentView/index.vue';

const modules = import.meta.glob('../../pages/**/*.vue')


const usePermissionStore = defineStore('permissionStore', {
  state: () => {
    return {
      routes: [],
      addRoutes: [],
      sidebarRouters: []
    }
  },
  actions: {
    // 生成路由
    GenerateRoutes() {
      return new Promise(resolve => {
        // 向后端请求路由数据
        getRouters().then(res => {
          const sdata = JSON.parse(JSON.stringify(res.data))
          const rdata = JSON.parse(JSON.stringify(res.data))
          const sidebarRoutes = filterAsyncRouter(sdata)
          const rewriteRoutes = filterAsyncRouter(rdata, false, true)
          rewriteRoutes.push({ path: '/:pathMatch(.*)', redirect: '/404', hidden: true })
          this.addRoutes = rewriteRoutes
          this.routes = constantRoutes.concat(rewriteRoutes)
          this.sidebarRouters = constantRoutes.concat(sidebarRoutes)
          resolve(rewriteRoutes)
        })
      })
    }
  },
})


// 遍历后台传来的路由字符串，转换为组件对象
function filterAsyncRouter(asyncRouterMap, lastRouter = false, type = false) {
  return asyncRouterMap.filter(route => {
    if (type && route.children) {
      route.children = filterChildren(route.children)
    }
    console.log(route.component)
    if (route.component) {
      // Layout ParentView 组件特殊处理
      if (route.component === 'Layout') {
        route.component = Layout
      } else if (route.component === 'ParentView') {
        route.component = ParentView
      } else {
        route.component = loadView(route.component)
      }
    }
    if (route.children != null && route.children && route.children.length) {
      route.children = filterAsyncRouter(route.children, route, type)
    } else {
      delete route['children']
      delete route['redirect']
    }
    return true
  })
}

function filterChildren(childrenMap, lastRouter = false) {
  var children = []
  childrenMap.forEach((el, index) => {
    if (el.children && el.children.length) {
      if (el.component === 'ParentView') {
        el.children.forEach(c => {
          c.path = el.path + '/' + c.path
          if (c.children && c.children.length) {
            children = children.concat(filterChildren(c.children, c))
            return
          }
          children.push(c)
        })
        return
      }
    }
    if (lastRouter) {
      el.path = lastRouter.path + '/' + el.path
    }
    children = children.concat(el)
  })
  return children
}

export const loadView = (view) => { // 路由懒加载
  return modules[`../../pages/${view}.vue`]
}


export default usePermissionStore